Marriages and civil partnerships in the UK

You can get married or form a civil partnership in the UK if you’re:
16 or over
free to marry or form a civil partnership (single, divorced or widowed)
not closely related.
You need permission from your parents or guardians if you’re under 18 in England, Wales and Northern Ireland.

Only same sex couples can form a civil partnership.
Same sex couples
You can:
form a civil partnership in England, Scotland, Wales and Northern Ireland
get married in England, Scotland and Wales
convert your civil partnership into a marriage in England, Scotland and Wales

Marriages and civil partnerships in Scotland and Northern Ireland.
There are different rules for getting married or forming a civil partnership in Scotland and Northern Ireland.